Hook



FIG. 1 is a front right side perspective view of my new hook;

FIG. 2 is a top plan view;

FIG. 3 is a front elevation;

FIG. 4 is a right side elevation, the left side elevation being a mirror image;

FIG. 5 is a bottom plan view; and,

FIG. 6 is a bottom and right side elevation. 

The ornamental design for a hook, as shown and described. 